Mukherjee, Prasun, and Asim Mazumder. “Analysis of Groundwater Quality of Borough X (10), Kolkata for Assessment of Pre-Monsoon and Post Monsoon Variation”. International Journal of Technical Innovation in Modern Engineering & Science 4, no. 12 (December 19, 2018): 695–701. Accessed December 22, 2024. https://ijtimes.com/index.php/ijtimes/article/view/349.